1. LCD Screen: The ​>​>​>​ detector uses a 2.8in color LCD screen with 320 x 240 pixels, displaying clear and crisp data for easy viewing.
2. USB Charging: The ​>​>​>​ detector is equipped with a USB charging port and a high capacity 2000mAh lithium battery, which is easy to use and warns when the battery is low.
3. ​>​>​>​ Detector: User adjustable ​>​>​>​ alarm threshold to alert users of elevated concentrations and effectively monitor ​>​>​>​ levels in the air.
4. Accurate Readings: The fan draws in surrounding air for more accurate real time results and more accurate monitoring.
5. Multifunctional: The detector has built in ​>​>​>​ electrochemical sensor, temperature and humidity sensor, supports time and date, self calibration function.

Specification:
Item Type: ​>​>​>​ Meter Detector
Material: ABS
Display: 2.8 inch LCD, 320 x 240 pixels
Atmospheric Pressure: 86Kpa-106Kpa
PM Detection Method: Electrochemical
Sampling Time: 1.5 seconds
Power Supply: 1 x 2000mAh 654060 Li polymer​​ battery (shipped with built in battery)
Function: Detection of ​>​>​>​, temperature, humidity
Detection Range:0-50ppm
Response Time: ≤15S
Accuracy: ≤±2 %
Sensitivity: 0.01ppm
Insulation Resistance: ≥20MΩ
Alarm Function: Sound (2-3 sounds)
Default Alarm Value: 1.00ppm, can be set to 2.00ppm/4.00ppm/6.00ppm(alarm value on/off can be switched)
Detection Temperature: -10℃-50℃
Relative Humidity: 20%-85%
Storage Temperature: -10℃-60℃

How to Use:
Take out the product, install it and use it

packing list:
1 x ​>​>​>​ Meter Detector
1 x Data Cable
1 x Storage Box
1 x Instruction